Operation Manual – System Maintenance and DebuggingH3C S3100 Series Ethernet Switches Chapter 4 Device Management4-3Caution:Enabling of this function consumes some amounts of CPU resources. Therefore, if yournetwork has a high CPU usage requirement, you can disable this function to releaseyour CPU resources.4.2.5 Specifying the APP to be Used at RebootAPP is the host software of the switch. If multiple APPs exist in the Flash memory, youcan use the command here to specify the one that will be used when the switchreboots.Table 4-5 Specify the APP to be used at rebootOperation Command DescriptionSpecify the APP to beused at rebootboot boot-loader [ backup-attribute ]{ file-url | device-name } Required4.2.6 Upgrading the Boot ROMYou can use the Boot ROM program saved in the Flash memory of the switch toupgrade the running Boot ROM. With this command, a remote user can convenientlyupgrade the BootRom by uploading the Boot ROM to the switch through FTP andrunning this command. The Boot ROM can be used when the switch restarts.Table 4-6 Upgrade the Boot ROMOperation Command DescriptionUpgrade the Boot ROM boot bootrom { file-url | device-name } Required4.2.7 Identifying and Diagnosing Pluggable TransceiversI. Introduction to pluggable transceiversAt present, four types of pluggable transceivers are commonly used, and they can bedivided into optical transceivers and electrical transceivers based on transmissionmedia as shown in Table 4-7.
